private List <PositionedNode> GetNodesThatCollideWithShapeCollection(ShapeCollection sc, Dictionary <int, Dictionary <int, PositionedNode> > allNodes)
{
var returnValue = new List <PositionedNode>();
if (sc != null && sc.Polygons != null)
{
foreach (Polygon polygon in sc.Polygons)
{
polygon.ForceUpdateDependencies();
}
foreach (var xpair in allNodes)
{
foreach (var ypair in xpair.Value)
{
PositionedNode node = ypair.Value;
var rectangle = new AxisAlignedRectangle {
Position = node.Position, ScaleX = 1, ScaleY = 1
};
if (sc.CollideAgainst(rectangle))
{
returnValue.Add(node);
}
}
}
}
return(returnValue);
}
public bool CollideAgainst(AxisAlignedRectangle rectangle)
{
return(mShapes.CollideAgainst(rectangle, true, mSortAxis));
}
/// <summary>
/// Returns whether this instance collides against the argument ShapeCollection.
/// </summary>
/// <param name="shapeCollection">The ShapeCollection to test collision against.</param>
/// <returns>Whether collision has occurred.</returns>
public bool CollideAgainst(ShapeCollection shapeCollection)
{
return(shapeCollection.CollideAgainst(this));
}